52140066 has 32 divisors (see below), whose sum is σ = 119750400. Its totient is φ = 14968080.

The previous prime is 52140059. The next prime is 52140073. The reversal of 52140066 is 66004125.

It is an interprime number because it is at equal distance from previous prime (52140059) and next prime (52140073).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19536 + ... + 22043.

It is an arithmetic number, because the mean of its divisors is an integer number (3742200).

Almost surely, 2^52140066 is an apocalyptic number.

52140066 is an abundant number, since it is smaller than the sum of its proper divisors (67610334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52140066 is a wasteful number, since it uses less digits than its factorization.

52140066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41614.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 52140066 is about 7220.8078495415. The cubic root of 52140066 is about 373.5859420984.

The spelling of 52140066 in words is "fifty-two million, one hundred forty thousand, sixty-six".